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2022242440 = 23555039187
BaseRepresentation
bin111100010001000…
…1111100010001000
312012221012120010011
41320202033202020
513120143224230
6532355401304
7101053530361
oct17042174210
95187176104
102022242440
11948559749
124852b3234
13262c6437a
14152808b68
15bc807e2a
hex7888f888

2022242440 has 32 divisors (see below), whose sum is σ = 4551367680. Its totient is φ = 808661952.

The previous prime is 2022242419. The next prime is 2022242449. The reversal of 2022242440 is 442422202.

It is a happy number.

It is a super-2 number, since 2×20222424402 = 8178928972274307200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2022242449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215527 + ... + 224713.

It is an arithmetic number, because the mean of its divisors is an integer number (142230240).

Almost surely, 22022242440 is an apocalyptic number.

2022242440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022242440 is an abundant number, since it is smaller than the sum of its proper divisors (2529125240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2022242440 is a wasteful number, since it uses less digits than its factorization.

2022242440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14701 (or 14697 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2022242440 is about 44969.3500064210. The cubic root of 2022242440 is about 1264.5744614803.

Adding to 2022242440 its reverse (442422202), we get a palindrome (2464664642).

The spelling of 2022242440 in words is "two billion, twenty-two million, two hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 5503 9187 11006 18374 22012 27515 36748 44024 45935 55030 73496 91870 110060 183740 220120 367480 50556061 101112122 202224244 252780305 404448488 505560610 1011121220 2022242440